All of the following are examples of reflex action, except
A
Dilation of the eye pupil to look in dark and vice-versa
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B
Closing of eyes when flashed with strong light
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C
Coughing
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D
Walking in a straight line
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Solution
The correct option is D Walking in a straight line Reflex action is a rapid automatic response to the stimulus which is not under the control of the brain. It is an involuntary action. Walking in a straight line is a voluntary action and is controlled by the brain.